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      Estigma de peso, dieta mediterránea y obesidad Translated title: Weight stigma, Mediterranean diet and obesity

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          Abstract

          Resumen Introducción: la obesidad es una enfermedad que afecta a un alto porcentaje de la población mundial. Pese a que su origen es multicausal y multifactorial, menos atención se ha puesto en las variables psicológicas y conductuales. Objetivo: determinar si las variables psicológicas (estigma de peso, estrés y sintomatología depresiva) y la variable conductual (índice de dieta mediterránea) predicen la obesidad según el índice de masa corporal (IMC), controlando el efecto de variables fisiológicas (colesterol HDL, triglicéridos, glucosa y presión arterial) y sociodemográficas (sexo, ingresos, nivel de estudios). Método: diseño no experimental, transversal, correlacional. Por medio de un muestreo no probabilístico por conveniencia, se seleccionó a 344 personas de población general chilena de la región de la Araucanía (Medad = 55,7 años; DE = 5,1 años; 55,8 % de mujeres). Se obtuvo una muestra de sangre, medición antropométrica de peso y talla, y medidas de autorreporte de variables psicológicas y conductuales. Resultados: se realizó un análisis de regresión múltiple jerárquica de 5 bloques. Las covariables sociodemográficas no predijeron significativamente el IMC; sin embargo, las fisiológicas, la variable conductual y el estigma de peso, se asociaron significativamente con el IMC, siendo el estigma de peso el predictor que explicó mayor varianza. Conclusiones: los hallazgos permiten comprobar el rol de las variables psicológicas y conductuales en la etiología multifactorial de la obesidad. Se discute los hallazgos a la luz del enfoque biopsicosocial, y se sugiere un abordaje multidisciplinario de la obesidad.

          Translated abstract

          Abstract Balckground: obesity is a disease that affects a high percentage of the world's population. Although its origin is multicausal and multifactorial, less attention has been paid to psychological and behavioral variables. Aim: to determine whether psychological variables (weight stigma, stress and depressive symptomatology) and behavioral variable (Mediterranean diet index) predict obesity according to body mass index (BMI), controlling for the effect of physiological variables (HDL cholesterol, triglycerides, glucose and blood pressure) and sociodemographic variables (sex, income, educational level). Method: non-experimental, cross-sectional, correlational design. By means of a non-probabilistic convenience sampling, 344 persons were selected from the general Chilean population from the Araucanía region (Mage = 55.7 years; SD = 5.1 years; 55.8 % women). A blood sample, anthropometric measurement of weight and height, and self-report measures of psychological and behavioral variables were obtained. Results: a 5-block hierarchical multiple regression analysis was performed. Sociodemographic covariates did not significantly predict BMI, however physiological covariates, the behavioral variable and weight stigma, were significantly associated with BMI, with weight stigma being the predictor that explained the most variance. Conclusions: the findings allow us to verify the role of psychological and behavioral variables in the multifactorial etiology of obesity. The findings are discussed in the light of the biopsychosocial approach, and a multidisciplinary approach to obesity is suggested

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          Most cited references40

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          Obesity: global epidemiology and pathogenesis

          The prevalence of obesity has increased worldwide in the past ~50 years, reaching pandemic levels. Obesity represents a major health challenge because it substantially increases the risk of diseases such as type 2 diabetes mellitus, fatty liver disease, hypertension, myocardial infarction, stroke, dementia, osteoarthritis, obstructive sleep apnoea and several cancers, thereby contributing to a decline in both quality of life and life expectancy. Obesity is also associated with unemployment, social disadvantages and reduced socio-economic productivity, thus increasingly creating an economic burden. Thus far, obesity prevention and treatment strategies - both at the individual and population level - have not been successful in the long term. Lifestyle and behavioural interventions aimed at reducing calorie intake and increasing energy expenditure have limited effectiveness because complex and persistent hormonal, metabolic and neurochemical adaptations defend against weight loss and promote weight regain. Reducing the obesity burden requires approaches that combine individual interventions with changes in the environment and society. Therefore, a better understanding of the remarkable regional differences in obesity prevalence and trends might help to identify societal causes of obesity and provide guidance on which are the most promising intervention strategies.
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            The epidemiology of obesity

            Obesity is a complex multifactorial disease. The worldwide prevalence of overweight and obesity has doubled since 1980 to an extent that nearly a third of the world's population is now classified as overweight or obese. Obesity rates have increased in all ages and both sexes irrespective of geographical locality, ethnicity or socioeconomic status, although the prevalence of obesity is generally greater in older persons and women. This trend was similar across regions and countries, although absolute prevalence rates of overweight and obesity varied widely. For some developed countries, the prevalence rates of obesity seem to have levelled off during the past few years. Body mass index (BMI) is typically used to define overweight and obesity in epidemiological studies. However, BMI has low sensitivity and there is a large inter-individual variability in the percent body fat for any given BMI value, partly attributed to age, sex, and ethnicity. For instance, Asians have greater percent body fat than Caucasians for the same BMI. Greater cardiometabolic risk has also been associated with the localization of excess fat in the visceral adipose tissue and ectopic depots (such as muscle and liver), as well as in cases of increased fat to lean mass ratio (e.g. metabolically-obese normal-weight). These data suggest that obesity may be far more common and requires more urgent attention than what large epidemiological studies suggest. Simply relying on BMI to assess its prevalence could hinder future interventions aimed at obesity prevention and control.
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              Overweight, obesity, and depression: a systematic review and meta-analysis of longitudinal studies.

              Association between obesity and depression has repeatedly been established. For treatment and prevention purposes, it is important to acquire more insight into their longitudinal interaction. To conduct a systematic review and meta-analysis on the longitudinal relationship between depression, overweight, and obesity and to identify possible influencing factors. Studies were found using PubMed, PsycINFO, and EMBASE databases and selected on several criteria. Studies examining the longitudinal bidirectional relation between depression and overweight (body mass index 25-29.99) or obesity (body mass index > or =30) were selected. Unadjusted and adjusted odds ratios (ORs) were extracted or provided by the authors. Overall, unadjusted ORs were calculated and subgroup analyses were performed for the 15 included studies (N = 58 745) to estimate the effect of possible moderators (sex, age, depression severity). Obesity at baseline increased the risk of onset of depression at follow-up (unadjusted OR, 1.55; 95% confidence interval [CI], 1.22-1.98; P or =60 years) but not among younger persons (aged <20 years). Baseline depression (symptoms and disorder) was not predictive of overweight over time. However, depression increased the odds for developing obesity (OR, 1.58; 95% CI, 1.33-1.87; P < .001). Subgroup analyses did not reveal specific moderators of the association. This meta-analysis confirms a reciprocal link between depression and obesity. Obesity was found to increase the risk of depression, most pronounced among Americans and for clinically diagnosed depression. In addition, depression was found to be predictive of developing obesity.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                June 2022
                : 39
                : 3
                : 554-561
                Affiliations
                [1] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Programa de Doctorado en Psicología Chile
                [3] Temuco orgnameUniversidad Católica de Temuco, Campus San Francisco orgdiv1Facultad de Ciencias de la Salud orgdiv2Departamento de Procesos Diagnósticos y Evaluación Chile
                [4] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Departamento de Psicología orgdiv2Laboratorio de Estrés y Salud Chile
                [2] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Departamento de Psicología orgdiv2Laboratorio de Estigma, Discriminación, Salud y Alimentación Chile
                Article
                S0212-16112022000400010 S0212-1611(22)03900300010
                10.20960/nh.03908
                ecd7dffd-b7a9-4fac-88e3-a73fce2e9fff

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 16 February 2022
                : 14 October 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 40, Pages: 8
                Product

                SciELO Spain

                Categories
                Trabajos Originales

                Weight stigma,Enfoque biopsicosocial,Obesidad,Dieta mediterránea,Estigma de peso,Biopsychosocial approach,Obesity,Mediterranean diet

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